
export const dataURLtoFile = (dataurl, filename,type) => {
  let arr = dataurl.split(','),
  mime = arr[0].match(/:(.*?);/)[1],
  bstr = window.atob(arr[1]),
  n = bstr.length,
  u8arr = new Uint8Array(n);
  while (n--) {
    u8arr[n] = bstr.charCodeAt(n);
  }
  return new File([u8arr], filename?filename:'1.jpg', {
    type: type?type:mime
  });
}